hello,, how to display grayscale image in axes??

i hav tried the following portion of code, axes(handles.axes1); image(handles.img) colormap('gray') set(handles.axes1, 'Position', [position(1:2) info.Width+10 info.Height+10]); though image is displayed as gray,, its not as original,, looks vry pale, which cant b identified.. plz help me..